/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.cmd;

import java.io.Serializable;
import org.activiti.engine.delegate.event.ActivitiEventType;
import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.AttachmentEntity;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.task.Attachment;

/**

 */
public class SaveAttachmentCmd implements Command<Object>, Serializable {

    private static final long serialVersionUID = 1L;
    protected Attachment attachment;

    public SaveAttachmentCmd(Attachment attachment) {
        this.attachment = attachment;
    }

    public Object execute(CommandContext commandContext) {
        AttachmentEntity updateAttachment = commandContext.getAttachmentEntityManager().findById(attachment.getId());

        String processInstanceId = updateAttachment.getProcessInstanceId();
        String processDefinitionId = null;
        if (updateAttachment.getProcessInstanceId() != null) {
            ExecutionEntity process = commandContext.getExecutionEntityManager().findById(processInstanceId);
            if (process != null) {
                processDefinitionId = process.getProcessDefinitionId();
            }
        }
        executeInternal(commandContext, updateAttachment, processInstanceId, processDefinitionId);
        return null;
    }

    protected void executeInternal(
        CommandContext commandContext,
        AttachmentEntity updateAttachment,
        String processInstanceId,
        String processDefinitionId
    ) {
        updateAttachment.setName(attachment.getName());
        updateAttachment.setDescription(attachment.getDescription());

        if (commandContext.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
            commandContext
                .getProcessEngineConfiguration()
                .getEventDispatcher()
                .dispatchEvent(
                    ActivitiEventBuilder.createEntityEvent(
                        ActivitiEventType.ENTITY_UPDATED,
                        attachment,
                        processInstanceId,
                        processInstanceId,
                        processDefinitionId
                    )
                );
        }
    }
}
